2 * Copyright © 2010-2011 Intel Corporation
3 * Copyright © 2008-2011 Kristian Høgsberg
4 * Copyright © 2012 Collabora, Ltd.
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of the copyright holders not be used in
11 * advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. The copyright holders make
13 * no representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
16 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
21 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
36 #include <sys/ioctl.h>
38 #include <sys/socket.h>
41 #include <linux/input.h>
46 #include <wayland-server.h>
47 #include "compositor.h"
48 #include "../shared/os-compatibility.h"
50 static struct wl_list child_process_list;
51 static jmp_buf segv_jmp_buf;
54 sigchld_handler(int signal_number, void *data)
56 struct weston_process *p;
60 pid = waitpid(-1, &status, WNOHANG);
64 wl_list_for_each(p, &child_process_list, link) {
69 if (&p->link == &child_process_list) {
70 fprintf(stderr, "unknown child process exited\n");
74 wl_list_remove(&p->link);
75 p->cleanup(p, status);
81 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode)
83 if (!output->switch_mode)
86 return output->switch_mode(output, mode);
90 weston_watch_process(struct weston_process *process)
92 wl_list_insert(&child_process_list, &process->link);
96 child_client_exec(int sockfd, const char *path)
102 /* do not give our signal mask to the new process */
103 sigfillset(&allsigs);
104 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
106 /* Launch clients as the user. */
109 /* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
110 * non-CLOEXEC fd to pass through exec. */
111 clientfd = dup(sockfd);
112 if (clientfd == -1) {
113 fprintf(stderr, "compositor: dup failed: %m\n");
117 snprintf(s, sizeof s, "%d", clientfd);
118 setenv("WAYLAND_SOCKET", s, 1);
120 if (execl(path, path, NULL) < 0)
121 fprintf(stderr, "compositor: executing '%s' failed: %m\n",
125 WL_EXPORT struct wl_client *
126 weston_client_launch(struct weston_compositor *compositor,
127 struct weston_process *proc,
129 weston_process_cleanup_func_t cleanup)
133 struct wl_client *client;
135 if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sv) < 0) {
136 fprintf(stderr, "weston_client_launch: "
137 "socketpair failed while launching '%s': %m\n",
146 fprintf(stderr, "weston_client_launch: "
147 "fork failed while launching '%s': %m\n", path);
152 child_client_exec(sv[1], path);
158 client = wl_client_create(compositor->wl_display, sv[0]);
161 fprintf(stderr, "weston_client_launch: "
162 "wl_client_create failed while launching '%s'.\n",
168 proc->cleanup = cleanup;
169 weston_watch_process(proc);
175 surface_handle_buffer_destroy(struct wl_listener *listener, void *data)
177 struct weston_surface *es =
178 container_of(listener, struct weston_surface,
179 buffer_destroy_listener);
184 static const pixman_region32_data_t undef_region_data;
187 undef_region(pixman_region32_t *region)
189 if (region->data != &undef_region_data)
190 pixman_region32_fini(region);
191 region->data = (pixman_region32_data_t *) &undef_region_data;
195 region_is_undefined(pixman_region32_t *region)
197 return region->data == &undef_region_data;
201 empty_region(pixman_region32_t *region)
203 if (!region_is_undefined(region))
204 pixman_region32_fini(region);
206 pixman_region32_init(region);
209 WL_EXPORT struct weston_surface *
210 weston_surface_create(struct weston_compositor *compositor)
212 struct weston_surface *surface;
214 surface = calloc(1, sizeof *surface);
218 wl_signal_init(&surface->surface.resource.destroy_signal);
220 wl_list_init(&surface->link);
221 wl_list_init(&surface->layer_link);
223 surface->surface.resource.client = NULL;
225 surface->compositor = compositor;
226 surface->image = EGL_NO_IMAGE_KHR;
227 surface->alpha = 1.0;
228 surface->brightness = 1.0;
229 surface->saturation = 1.0;
231 surface->opaque_rect[0] = 0.0;
232 surface->opaque_rect[1] = 0.0;
233 surface->opaque_rect[2] = 0.0;
234 surface->opaque_rect[3] = 0.0;
237 surface->buffer = NULL;
238 surface->output = NULL;
240 pixman_region32_init(&surface->damage);
241 pixman_region32_init(&surface->opaque);
242 pixman_region32_init(&surface->clip);
243 undef_region(&surface->input);
244 pixman_region32_init(&surface->transform.opaque);
245 wl_list_init(&surface->frame_callback_list);
247 surface->buffer_destroy_listener.notify =
248 surface_handle_buffer_destroy;
250 wl_list_init(&surface->geometry.transformation_list);
251 wl_list_insert(&surface->geometry.transformation_list,
252 &surface->transform.position.link);
253 weston_matrix_init(&surface->transform.position.matrix);
254 pixman_region32_init(&surface->transform.boundingbox);
255 surface->geometry.dirty = 1;
261 weston_surface_set_color(struct weston_surface *surface,
262 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
264 surface->color[0] = red;
265 surface->color[1] = green;
266 surface->color[2] = blue;
267 surface->color[3] = alpha;
268 surface->shader = &surface->compositor->solid_shader;
272 surface_to_global_float(struct weston_surface *surface,
273 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
275 if (surface->transform.enabled) {
276 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
278 weston_matrix_transform(&surface->transform.matrix, &v);
280 if (fabsf(v.f[3]) < 1e-6) {
281 fprintf(stderr, "warning: numerical instability in "
282 "weston_surface_to_global(), divisor = %g\n",
289 *x = v.f[0] / v.f[3];
290 *y = v.f[1] / v.f[3];
292 *x = sx + surface->geometry.x;
293 *y = sy + surface->geometry.y;
298 weston_surface_damage_below(struct weston_surface *surface)
300 struct weston_compositor *compositor = surface->compositor;
301 pixman_region32_t damage;
303 pixman_region32_init(&damage);
304 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
306 pixman_region32_union(&compositor->damage,
307 &compositor->damage, &damage);
308 pixman_region32_fini(&damage);
312 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
313 int32_t width, int32_t height,
314 pixman_region32_t *bbox)
316 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
317 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
322 { sx + width, sy + height }
324 GLfloat int_x, int_y;
327 for (i = 0; i < 4; ++i) {
329 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
340 int_x = floorf(min_x);
341 int_y = floorf(min_y);
342 pixman_region32_init_rect(bbox, int_x, int_y,
343 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
347 weston_surface_update_transform_disable(struct weston_surface *surface)
349 surface->transform.enabled = 0;
351 /* round off fractions when not transformed */
352 surface->geometry.x = roundf(surface->geometry.x);
353 surface->geometry.y = roundf(surface->geometry.y);
355 pixman_region32_init_rect(&surface->transform.boundingbox,
358 surface->geometry.width,
359 surface->geometry.height);
361 if (surface->alpha == 1.0) {
362 pixman_region32_copy(&surface->transform.opaque,
364 pixman_region32_translate(&surface->transform.opaque,
366 surface->geometry.y);
371 weston_surface_update_transform_enable(struct weston_surface *surface)
373 struct weston_matrix *matrix = &surface->transform.matrix;
374 struct weston_matrix *inverse = &surface->transform.inverse;
375 struct weston_transform *tform;
377 surface->transform.enabled = 1;
379 /* Otherwise identity matrix, but with x and y translation. */
380 surface->transform.position.matrix.d[12] = surface->geometry.x;
381 surface->transform.position.matrix.d[13] = surface->geometry.y;
383 weston_matrix_init(matrix);
384 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
385 weston_matrix_multiply(matrix, &tform->matrix);
387 if (weston_matrix_invert(inverse, matrix) < 0) {
388 /* Oops, bad total transformation, not invertible */
389 fprintf(stderr, "error: weston_surface %p"
390 " transformation not invertible.\n", surface);
394 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
395 surface->geometry.height,
396 &surface->transform.boundingbox);
402 weston_surface_update_transform(struct weston_surface *surface)
404 if (!surface->geometry.dirty)
407 surface->geometry.dirty = 0;
409 weston_surface_damage_below(surface);
411 pixman_region32_fini(&surface->transform.boundingbox);
412 pixman_region32_fini(&surface->transform.opaque);
413 pixman_region32_init(&surface->transform.opaque);
415 if (region_is_undefined(&surface->input))
416 pixman_region32_init_rect(&surface->input, 0, 0,
417 surface->geometry.width,
418 surface->geometry.height);
420 /* transform.position is always in transformation_list */
421 if (surface->geometry.transformation_list.next ==
422 &surface->transform.position.link &&
423 surface->geometry.transformation_list.prev ==
424 &surface->transform.position.link) {
425 weston_surface_update_transform_disable(surface);
427 if (weston_surface_update_transform_enable(surface) < 0)
428 weston_surface_update_transform_disable(surface);
431 /* weston_surface_damage() without update */
432 pixman_region32_union(&surface->damage, &surface->damage,
433 &surface->transform.boundingbox);
435 if (weston_surface_is_mapped(surface))
436 weston_surface_assign_output(surface);
438 weston_compositor_schedule_repaint(surface->compositor);
442 weston_surface_to_global_float(struct weston_surface *surface,
443 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
445 surface_to_global_float(surface, sx, sy, x, y);
449 weston_surface_to_global_fixed(struct weston_surface *surface,
450 wl_fixed_t sx, wl_fixed_t sy,
451 wl_fixed_t *x, wl_fixed_t *y)
455 weston_surface_to_global_float(surface,
456 wl_fixed_to_double(sx),
457 wl_fixed_to_double(sy),
459 *x = wl_fixed_from_double(xf);
460 *y = wl_fixed_from_double(yf);
464 weston_surface_to_global(struct weston_surface *surface,
465 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
469 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
475 surface_from_global_float(struct weston_surface *surface,
476 GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)
478 if (surface->transform.enabled) {
479 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
481 weston_matrix_transform(&surface->transform.inverse, &v);
483 if (fabsf(v.f[3]) < 1e-6) {
484 fprintf(stderr, "warning: numerical instability in "
485 "weston_surface_from_global(), divisor = %g\n",
492 *sx = v.f[0] / v.f[3];
493 *sy = v.f[1] / v.f[3];
495 *sx = x - surface->geometry.x;
496 *sy = y - surface->geometry.y;
501 weston_surface_from_global_fixed(struct weston_surface *surface,
502 wl_fixed_t x, wl_fixed_t y,
503 wl_fixed_t *sx, wl_fixed_t *sy)
507 surface_from_global_float(surface,
508 wl_fixed_to_double(x),
509 wl_fixed_to_double(y),
511 *sx = wl_fixed_from_double(sxf);
512 *sy = wl_fixed_from_double(syf);
516 weston_surface_from_global(struct weston_surface *surface,
517 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
521 surface_from_global_float(surface, x, y, &sxf, &syf);
527 weston_surface_damage_rectangle(struct weston_surface *surface,
528 int32_t sx, int32_t sy,
529 int32_t width, int32_t height)
531 if (surface->transform.enabled) {
532 pixman_region32_t box;
533 surface_compute_bbox(surface, sx, sy, width, height, &box);
534 pixman_region32_union(&surface->damage, &surface->damage,
536 pixman_region32_fini(&box);
538 pixman_region32_union_rect(&surface->damage, &surface->damage,
539 surface->geometry.x + sx,
540 surface->geometry.y + sy,
544 weston_compositor_schedule_repaint(surface->compositor);
548 weston_surface_damage(struct weston_surface *surface)
550 pixman_region32_union(&surface->damage, &surface->damage,
551 &surface->transform.boundingbox);
553 weston_compositor_schedule_repaint(surface->compositor);
557 weston_surface_configure(struct weston_surface *surface,
558 GLfloat x, GLfloat y, int width, int height)
560 surface->geometry.x = x;
561 surface->geometry.y = y;
562 surface->geometry.width = width;
563 surface->geometry.height = height;
564 surface->geometry.dirty = 1;
568 weston_surface_set_position(struct weston_surface *surface,
569 GLfloat x, GLfloat y)
571 surface->geometry.x = x;
572 surface->geometry.y = y;
573 surface->geometry.dirty = 1;
577 weston_surface_is_mapped(struct weston_surface *surface)
586 weston_compositor_get_time(void)
590 gettimeofday(&tv, NULL);
592 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
595 static struct weston_surface *
596 weston_compositor_pick_surface(struct weston_compositor *compositor,
597 wl_fixed_t x, wl_fixed_t y,
598 wl_fixed_t *sx, wl_fixed_t *sy)
600 struct weston_surface *surface;
602 wl_list_for_each(surface, &compositor->surface_list, link) {
603 weston_surface_from_global_fixed(surface, x, y, sx, sy);
604 if (pixman_region32_contains_point(&surface->input,
605 wl_fixed_to_int(*sx),
606 wl_fixed_to_int(*sy),
615 weston_device_repick(struct wl_seat *seat)
617 struct weston_seat *ws = (struct weston_seat *) seat;
618 const struct wl_pointer_grab_interface *interface;
619 struct weston_surface *surface, *focus;
621 surface = weston_compositor_pick_surface(ws->compositor,
624 &seat->pointer->current_x,
625 &seat->pointer->current_y);
627 if (&surface->surface != seat->pointer->current) {
628 interface = seat->pointer->grab->interface;
629 interface->focus(seat->pointer->grab, &surface->surface,
630 seat->pointer->current_x,
631 seat->pointer->current_y);
632 seat->pointer->current = &surface->surface;
635 focus = (struct weston_surface *) seat->pointer->grab->focus;
637 weston_surface_from_global_fixed(focus,
640 &seat->pointer->grab->x,
641 &seat->pointer->grab->y);
645 weston_compositor_repick(struct weston_compositor *compositor)
647 struct weston_seat *seat;
649 if (!compositor->focus)
652 wl_list_for_each(seat, &compositor->seat_list, link)
653 weston_device_repick(&seat->seat);
657 weston_surface_unmap(struct weston_surface *surface)
659 struct weston_seat *seat;
661 weston_surface_damage_below(surface);
662 surface->output = NULL;
663 wl_list_remove(&surface->link);
664 wl_list_remove(&surface->layer_link);
666 wl_list_for_each(seat, &surface->compositor->seat_list, link) {
667 if (seat->seat.keyboard->focus == &surface->surface)
668 wl_keyboard_set_focus(seat->seat.keyboard, NULL);
669 if (seat->seat.pointer->focus == &surface->surface)
670 wl_pointer_set_focus(seat->seat.pointer,
672 wl_fixed_from_int(0),
673 wl_fixed_from_int(0));
676 weston_compositor_schedule_repaint(surface->compositor);
680 destroy_surface(struct wl_resource *resource)
682 struct weston_surface *surface =
683 container_of(resource,
684 struct weston_surface, surface.resource);
685 struct weston_compositor *compositor = surface->compositor;
687 if (weston_surface_is_mapped(surface))
688 weston_surface_unmap(surface);
690 if (surface->texture)
691 glDeleteTextures(1, &surface->texture);
694 wl_list_remove(&surface->buffer_destroy_listener.link);
696 if (surface->image != EGL_NO_IMAGE_KHR)
697 compositor->destroy_image(compositor->display,
700 pixman_region32_fini(&surface->transform.boundingbox);
701 pixman_region32_fini(&surface->damage);
702 pixman_region32_fini(&surface->opaque);
703 pixman_region32_fini(&surface->clip);
704 if (!region_is_undefined(&surface->input))
705 pixman_region32_fini(&surface->input);
711 weston_surface_destroy(struct weston_surface *surface)
713 /* Not a valid way to destroy a client surface */
714 assert(surface->surface.resource.client == NULL);
716 destroy_surface(&surface->surface.resource);
720 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
722 struct weston_surface *es = (struct weston_surface *) surface;
723 struct weston_compositor *ec = es->compositor;
726 weston_buffer_post_release(es->buffer);
727 wl_list_remove(&es->buffer_destroy_listener.link);
733 if (weston_surface_is_mapped(es))
734 weston_surface_unmap(es);
738 buffer->busy_count++;
739 wl_signal_add(&es->buffer->resource.destroy_signal,
740 &es->buffer_destroy_listener);
742 if (es->geometry.width != buffer->width ||
743 es->geometry.height != buffer->height) {
744 undef_region(&es->input);
745 pixman_region32_fini(&es->opaque);
746 pixman_region32_init(&es->opaque);
750 glGenTextures(1, &es->texture);
751 glBindTexture(GL_TEXTURE_2D, es->texture);
752 glTexParameteri(GL_TEXTURE_2D,
753 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
754 glTexParameteri(GL_TEXTURE_2D,
755 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
756 es->shader = &ec->texture_shader;
758 glBindTexture(GL_TEXTURE_2D, es->texture);
761 if (wl_buffer_is_shm(buffer)) {
762 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
763 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
764 es->pitch, es->buffer->height, 0,
765 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
766 if (wl_shm_buffer_get_format(buffer) == WL_SHM_FORMAT_XRGB8888)
771 if (es->image != EGL_NO_IMAGE_KHR)
772 ec->destroy_image(ec->display, es->image);
773 es->image = ec->create_image(ec->display, NULL,
774 EGL_WAYLAND_BUFFER_WL,
777 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
779 es->pitch = buffer->width;
784 texture_region(struct weston_surface *es, pixman_region32_t *region)
786 struct weston_compositor *ec = es->compositor;
787 GLfloat *v, inv_width, inv_height;
789 pixman_box32_t *rectangles;
793 rectangles = pixman_region32_rectangles(region, &n);
794 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
795 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
796 inv_width = 1.0 / es->pitch;
797 inv_height = 1.0 / es->geometry.height;
799 for (i = 0; i < n; i++, v += 16, p += 6) {
800 surface_from_global_float(es, rectangles[i].x1,
801 rectangles[i].y1, &sx, &sy);
802 v[ 0] = rectangles[i].x1;
803 v[ 1] = rectangles[i].y1;
804 v[ 2] = sx * inv_width;
805 v[ 3] = sy * inv_height;
807 surface_from_global_float(es, rectangles[i].x1,
808 rectangles[i].y2, &sx, &sy);
809 v[ 4] = rectangles[i].x1;
810 v[ 5] = rectangles[i].y2;
811 v[ 6] = sx * inv_width;
812 v[ 7] = sy * inv_height;
814 surface_from_global_float(es, rectangles[i].x2,
815 rectangles[i].y1, &sx, &sy);
816 v[ 8] = rectangles[i].x2;
817 v[ 9] = rectangles[i].y1;
818 v[10] = sx * inv_width;
819 v[11] = sy * inv_height;
821 surface_from_global_float(es, rectangles[i].x2,
822 rectangles[i].y2, &sx, &sy);
823 v[12] = rectangles[i].x2;
824 v[13] = rectangles[i].y2;
825 v[14] = sx * inv_width;
826 v[15] = sy * inv_height;
840 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
841 pixman_region32_t *damage)
843 GLfloat surface_rect[4] = { 0.0, 1.0, 0.0, 1.0 };
844 struct weston_compositor *ec = es->compositor;
846 pixman_region32_t repaint;
850 pixman_region32_init(&repaint);
851 pixman_region32_intersect(&repaint,
852 &es->transform.boundingbox, damage);
853 pixman_region32_subtract(&repaint, &repaint, &es->clip);
855 if (!pixman_region32_not_empty(&repaint))
858 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
859 if (es->blend || es->alpha < 1.0)
864 if (ec->current_shader != es->shader) {
865 glUseProgram(es->shader->program);
866 ec->current_shader = es->shader;
869 glUniformMatrix4fv(es->shader->proj_uniform,
870 1, GL_FALSE, output->matrix.d);
871 glUniform1i(es->shader->tex_uniform, 0);
872 glUniform4fv(es->shader->color_uniform, 1, es->color);
873 glUniform1f(es->shader->alpha_uniform, es->alpha);
874 glUniform1f(es->shader->brightness_uniform, es->brightness);
875 glUniform1f(es->shader->saturation_uniform, es->saturation);
876 glUniform1f(es->shader->texwidth_uniform,
877 (GLfloat)es->geometry.width / es->pitch);
879 glUniform4fv(es->shader->opaque_uniform, 1, es->opaque_rect);
881 glUniform4fv(es->shader->opaque_uniform, 1, surface_rect);
883 if (es->transform.enabled || output->zoom.active)
888 n = texture_region(es, &repaint);
890 glBindTexture(GL_TEXTURE_2D, es->texture);
891 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
892 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
894 v = ec->vertices.data;
895 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
896 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
897 glEnableVertexAttribArray(0);
898 glEnableVertexAttribArray(1);
900 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
902 glDisableVertexAttribArray(1);
903 glDisableVertexAttribArray(0);
905 ec->vertices.size = 0;
906 ec->indices.size = 0;
909 pixman_region32_fini(&repaint);
913 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
915 wl_list_remove(&surface->layer_link);
916 wl_list_insert(below, &surface->layer_link);
917 weston_surface_damage_below(surface);
918 weston_surface_damage(surface);
922 weston_compositor_damage_all(struct weston_compositor *compositor)
924 struct weston_output *output;
926 wl_list_for_each(output, &compositor->output_list, link)
927 weston_output_damage(output);
931 weston_buffer_post_release(struct wl_buffer *buffer)
933 if (--buffer->busy_count > 0)
936 assert(buffer->resource.client != NULL);
937 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
941 weston_output_damage(struct weston_output *output)
943 struct weston_compositor *compositor = output->compositor;
945 pixman_region32_union(&compositor->damage,
946 &compositor->damage, &output->region);
947 weston_compositor_schedule_repaint(compositor);
951 fade_frame(struct weston_animation *animation,
952 struct weston_output *output, uint32_t msecs)
954 struct weston_compositor *compositor =
955 container_of(animation,
956 struct weston_compositor, fade.animation);
957 struct weston_surface *surface;
959 surface = compositor->fade.surface;
960 weston_spring_update(&compositor->fade.spring, msecs);
961 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
962 compositor->fade.spring.current);
963 weston_surface_damage(surface);
965 if (weston_spring_done(&compositor->fade.spring)) {
966 compositor->fade.spring.current =
967 compositor->fade.spring.target;
968 wl_list_remove(&animation->link);
969 wl_list_init(&animation->link);
971 if (compositor->fade.spring.current < 0.001) {
972 destroy_surface(&surface->surface.resource);
973 compositor->fade.surface = NULL;
974 } else if (compositor->fade.spring.current > 0.999) {
975 compositor->state = WESTON_COMPOSITOR_SLEEPING;
976 wl_signal_emit(&compositor->lock_signal, compositor);
981 struct weston_frame_callback {
982 struct wl_resource resource;
987 weston_output_repaint(struct weston_output *output, int msecs)
989 struct weston_compositor *ec = output->compositor;
990 struct weston_surface *es;
991 struct weston_layer *layer;
992 struct weston_animation *animation, *next;
993 struct weston_frame_callback *cb, *cnext;
994 pixman_region32_t opaque, new_damage, output_damage;
995 int32_t width, height;
997 weston_compositor_update_drag_surfaces(ec);
999 width = output->current->width +
1000 output->border.left + output->border.right;
1001 height = output->current->height +
1002 output->border.top + output->border.bottom;
1003 glViewport(0, 0, width, height);
1005 /* Rebuild the surface list and update surface transforms up front. */
1006 wl_list_init(&ec->surface_list);
1007 wl_list_for_each(layer, &ec->layer_list, link) {
1008 wl_list_for_each(es, &layer->surface_list, layer_link) {
1009 weston_surface_update_transform(es);
1010 wl_list_insert(ec->surface_list.prev, &es->link);
1014 if (output->assign_planes)
1016 * This will queue flips for the fbs and sprites where
1017 * applicable and clear the damage for those surfaces.
1018 * The repaint loop below will repaint everything
1021 output->assign_planes(output);
1023 pixman_region32_init(&new_damage);
1024 pixman_region32_init(&opaque);
1026 wl_list_for_each(es, &ec->surface_list, link) {
1027 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1028 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1029 empty_region(&es->damage);
1030 pixman_region32_copy(&es->clip, &opaque);
1031 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1034 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1036 pixman_region32_init(&output_damage);
1037 pixman_region32_union(&output_damage,
1038 &ec->damage, &output->previous_damage);
1039 pixman_region32_copy(&output->previous_damage, &ec->damage);
1040 pixman_region32_intersect(&output_damage,
1041 &output_damage, &output->region);
1042 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1044 pixman_region32_fini(&opaque);
1045 pixman_region32_fini(&new_damage);
1048 weston_output_update_matrix(output);
1050 output->repaint(output, &output_damage);
1052 pixman_region32_fini(&output_damage);
1054 output->repaint_needed = 0;
1056 weston_compositor_repick(ec);
1057 wl_event_loop_dispatch(ec->input_loop, 0);
1059 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1060 wl_callback_send_done(&cb->resource, msecs);
1061 wl_resource_destroy(&cb->resource);
1064 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1065 animation->frame(animation, output, msecs);
1069 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1071 struct weston_compositor *compositor = data;
1073 wl_event_loop_dispatch(compositor->input_loop, 0);
1079 weston_output_finish_frame(struct weston_output *output, int msecs)
1081 struct weston_compositor *compositor = output->compositor;
1082 struct wl_event_loop *loop =
1083 wl_display_get_event_loop(compositor->wl_display);
1086 wl_signal_emit(&output->frame_signal, &msecs);
1088 if (output->repaint_needed) {
1089 weston_output_repaint(output, msecs);
1093 output->repaint_scheduled = 0;
1094 if (compositor->input_loop_source)
1097 fd = wl_event_loop_get_fd(compositor->input_loop);
1098 compositor->input_loop_source =
1099 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1100 weston_compositor_read_input, compositor);
1104 idle_repaint(void *data)
1106 struct weston_output *output = data;
1108 weston_output_finish_frame(output, weston_compositor_get_time());
1112 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1114 wl_list_init(&layer->surface_list);
1115 wl_list_insert(below, &layer->link);
1119 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1121 struct weston_output *output;
1122 struct wl_event_loop *loop;
1124 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1127 loop = wl_display_get_event_loop(compositor->wl_display);
1128 wl_list_for_each(output, &compositor->output_list, link) {
1129 output->repaint_needed = 1;
1130 if (output->repaint_scheduled)
1133 wl_event_loop_add_idle(loop, idle_repaint, output);
1134 output->repaint_scheduled = 1;
1137 if (compositor->input_loop_source) {
1138 wl_event_source_remove(compositor->input_loop_source);
1139 compositor->input_loop_source = NULL;
1144 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1146 struct weston_surface *surface;
1149 done = weston_spring_done(&compositor->fade.spring);
1150 compositor->fade.spring.target = tint;
1151 if (weston_spring_done(&compositor->fade.spring))
1155 compositor->fade.spring.timestamp =
1156 weston_compositor_get_time();
1158 if (compositor->fade.surface == NULL) {
1159 surface = weston_surface_create(compositor);
1160 weston_surface_configure(surface, 0, 0, 8192, 8192);
1161 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1162 wl_list_insert(&compositor->fade_layer.surface_list,
1163 &surface->layer_link);
1164 weston_surface_assign_output(surface);
1165 compositor->fade.surface = surface;
1166 pixman_region32_init(&surface->input);
1169 weston_surface_damage(compositor->fade.surface);
1170 if (wl_list_empty(&compositor->fade.animation.link))
1171 wl_list_insert(compositor->animation_list.prev,
1172 &compositor->fade.animation.link);
1176 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1178 wl_resource_destroy(resource);
1181 static struct wl_resource *
1182 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1184 struct wl_resource *r;
1186 wl_list_for_each(r, list, link) {
1187 if (r->client == client)
1195 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1197 uint32_t different = es->output_mask ^ mask;
1198 uint32_t entered = mask & different;
1199 uint32_t left = es->output_mask & different;
1200 struct weston_output *output;
1201 struct wl_resource *resource = NULL;
1202 struct wl_client *client = es->surface.resource.client;
1204 if (es->surface.resource.client == NULL)
1209 es->output_mask = mask;
1210 wl_list_for_each(output, &es->compositor->output_list, link) {
1211 if (1 << output->id & different)
1213 find_resource_for_client(&output->resource_list,
1215 if (1 << output->id & entered)
1216 wl_surface_send_enter(&es->surface.resource, resource);
1217 if (1 << output->id & left)
1218 wl_surface_send_leave(&es->surface.resource, resource);
1223 weston_surface_assign_output(struct weston_surface *es)
1225 struct weston_compositor *ec = es->compositor;
1226 struct weston_output *output, *new_output;
1227 pixman_region32_t region;
1228 uint32_t max, area, mask;
1234 pixman_region32_init(®ion);
1235 wl_list_for_each(output, &ec->output_list, link) {
1236 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1239 e = pixman_region32_extents(®ion);
1240 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1243 mask |= 1 << output->id;
1246 new_output = output;
1250 pixman_region32_fini(®ion);
1252 es->output = new_output;
1253 weston_surface_update_output_mask(es, mask);
1255 if (!wl_list_empty(&es->frame_callback_list)) {
1256 wl_list_insert_list(new_output->frame_callback_list.prev,
1257 &es->frame_callback_list);
1258 wl_list_init(&es->frame_callback_list);
1263 surface_attach(struct wl_client *client,
1264 struct wl_resource *resource,
1265 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1267 struct weston_surface *es = resource->data;
1268 struct wl_buffer *buffer = NULL;
1270 if (buffer_resource)
1271 buffer = buffer_resource->data;
1273 weston_surface_attach(&es->surface, buffer);
1275 if (buffer && es->configure)
1276 es->configure(es, sx, sy);
1280 texture_set_subimage(struct weston_surface *surface,
1281 int32_t x, int32_t y, int32_t width, int32_t height)
1283 glBindTexture(GL_TEXTURE_2D, surface->texture);
1285 #ifdef GL_UNPACK_ROW_LENGTH
1286 /* Mesa does not define GL_EXT_unpack_subimage */
1288 if (surface->compositor->has_unpack_subimage) {
1289 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1290 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1291 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1293 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1294 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1295 wl_shm_buffer_get_data(surface->buffer));
1300 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1301 surface->pitch, surface->buffer->height, 0,
1302 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1303 wl_shm_buffer_get_data(surface->buffer));
1307 surface_damage(struct wl_client *client,
1308 struct wl_resource *resource,
1309 int32_t x, int32_t y, int32_t width, int32_t height)
1311 struct weston_surface *es = resource->data;
1313 weston_surface_damage_rectangle(es, x, y, width, height);
1315 if (es->buffer && wl_buffer_is_shm(es->buffer))
1316 texture_set_subimage(es, x, y, width, height);
1320 destroy_frame_callback(struct wl_resource *resource)
1322 struct weston_frame_callback *cb = resource->data;
1324 wl_list_remove(&cb->link);
1329 surface_frame(struct wl_client *client,
1330 struct wl_resource *resource, uint32_t callback)
1332 struct weston_frame_callback *cb;
1333 struct weston_surface *es = resource->data;
1335 cb = malloc(sizeof *cb);
1337 wl_resource_post_no_memory(resource);
1341 cb->resource.object.interface = &wl_callback_interface;
1342 cb->resource.object.id = callback;
1343 cb->resource.destroy = destroy_frame_callback;
1344 cb->resource.client = client;
1345 cb->resource.data = cb;
1347 wl_client_add_resource(client, &cb->resource);
1350 wl_list_insert(es->output->frame_callback_list.prev,
1353 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1358 surface_set_opaque_region(struct wl_client *client,
1359 struct wl_resource *resource,
1360 struct wl_resource *region_resource)
1362 struct weston_surface *surface = resource->data;
1363 struct weston_region *region;
1365 pixman_region32_fini(&surface->opaque);
1367 if (region_resource) {
1368 region = region_resource->data;
1369 pixman_region32_init_rect(&surface->opaque, 0, 0,
1370 surface->geometry.width,
1371 surface->geometry.height);
1372 pixman_region32_intersect(&surface->opaque,
1373 &surface->opaque, ®ion->region);
1375 pixman_region32_init(&surface->opaque);
1378 surface->geometry.dirty = 1;
1382 surface_set_input_region(struct wl_client *client,
1383 struct wl_resource *resource,
1384 struct wl_resource *region_resource)
1386 struct weston_surface *surface = resource->data;
1387 struct weston_region *region;
1389 if (region_resource) {
1390 region = region_resource->data;
1391 pixman_region32_init_rect(&surface->input, 0, 0,
1392 surface->geometry.width,
1393 surface->geometry.height);
1394 pixman_region32_intersect(&surface->input,
1395 &surface->input, ®ion->region);
1397 pixman_region32_init_rect(&surface->input, 0, 0,
1398 surface->geometry.width,
1399 surface->geometry.height);
1402 weston_compositor_schedule_repaint(surface->compositor);
1405 static const struct wl_surface_interface surface_interface = {
1410 surface_set_opaque_region,
1411 surface_set_input_region
1415 compositor_create_surface(struct wl_client *client,
1416 struct wl_resource *resource, uint32_t id)
1418 struct weston_compositor *ec = resource->data;
1419 struct weston_surface *surface;
1421 surface = weston_surface_create(ec);
1422 if (surface == NULL) {
1423 wl_resource_post_no_memory(resource);
1427 surface->surface.resource.destroy = destroy_surface;
1429 surface->surface.resource.object.id = id;
1430 surface->surface.resource.object.interface = &wl_surface_interface;
1431 surface->surface.resource.object.implementation =
1432 (void (**)(void)) &surface_interface;
1433 surface->surface.resource.data = surface;
1435 wl_client_add_resource(client, &surface->surface.resource);
1439 destroy_region(struct wl_resource *resource)
1441 struct weston_region *region =
1442 container_of(resource, struct weston_region, resource);
1444 pixman_region32_fini(®ion->region);
1449 region_destroy(struct wl_client *client, struct wl_resource *resource)
1451 wl_resource_destroy(resource);
1455 region_add(struct wl_client *client, struct wl_resource *resource,
1456 int32_t x, int32_t y, int32_t width, int32_t height)
1458 struct weston_region *region = resource->data;
1460 pixman_region32_union_rect(®ion->region, ®ion->region,
1461 x, y, width, height);
1465 region_subtract(struct wl_client *client, struct wl_resource *resource,
1466 int32_t x, int32_t y, int32_t width, int32_t height)
1468 struct weston_region *region = resource->data;
1469 pixman_region32_t rect;
1471 pixman_region32_init_rect(&rect, x, y, width, height);
1472 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1473 pixman_region32_fini(&rect);
1476 static const struct wl_region_interface region_interface = {
1483 compositor_create_region(struct wl_client *client,
1484 struct wl_resource *resource, uint32_t id)
1486 struct weston_region *region;
1488 region = malloc(sizeof *region);
1489 if (region == NULL) {
1490 wl_resource_post_no_memory(resource);
1494 region->resource.destroy = destroy_region;
1496 region->resource.object.id = id;
1497 region->resource.object.interface = &wl_region_interface;
1498 region->resource.object.implementation =
1499 (void (**)(void)) ®ion_interface;
1500 region->resource.data = region;
1502 pixman_region32_init(®ion->region);
1504 wl_client_add_resource(client, ®ion->resource);
1507 static const struct wl_compositor_interface compositor_interface = {
1508 compositor_create_surface,
1509 compositor_create_region
1513 weston_compositor_wake(struct weston_compositor *compositor)
1515 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1516 weston_compositor_fade(compositor, 0.0);
1518 wl_event_source_timer_update(compositor->idle_source,
1519 compositor->idle_time * 1000);
1523 weston_compositor_dpms_on(struct weston_compositor *compositor)
1525 struct weston_output *output;
1527 wl_list_for_each(output, &compositor->output_list, link)
1528 if (output->set_dpms)
1529 output->set_dpms(output, WESTON_DPMS_ON);
1533 weston_compositor_activity(struct weston_compositor *compositor)
1535 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1536 weston_compositor_wake(compositor);
1538 weston_compositor_dpms_on(compositor);
1539 wl_signal_emit(&compositor->unlock_signal, compositor);
1544 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1546 weston_compositor_activity(compositor);
1547 compositor->idle_inhibit++;
1551 weston_compositor_idle_release(struct weston_compositor *compositor)
1553 compositor->idle_inhibit--;
1554 weston_compositor_activity(compositor);
1558 idle_handler(void *data)
1560 struct weston_compositor *compositor = data;
1562 if (compositor->idle_inhibit)
1565 weston_compositor_fade(compositor, 1.0);
1571 weston_seat_update_drag_surface(struct wl_seat *seat, int dx, int dy);
1574 clip_pointer_motion(struct weston_seat *seat, wl_fixed_t *fx, wl_fixed_t *fy)
1576 struct weston_compositor *ec = seat->compositor;
1577 struct weston_output *output, *prev = NULL;
1578 int x, y, old_x, old_y, valid = 0;
1580 x = wl_fixed_to_int(*fx);
1581 y = wl_fixed_to_int(*fy);
1582 old_x = wl_fixed_to_int(seat->seat.pointer->x);
1583 old_y = wl_fixed_to_int(seat->seat.pointer->y);
1585 wl_list_for_each(output, &ec->output_list, link) {
1586 if (pixman_region32_contains_point(&output->region,
1589 if (pixman_region32_contains_point(&output->region,
1590 old_x, old_y, NULL))
1596 *fx = wl_fixed_from_int(prev->x);
1597 else if (x >= prev->x + prev->current->width)
1598 *fx = wl_fixed_from_int(prev->x +
1599 prev->current->width - 1);
1601 *fy = wl_fixed_from_int(prev->y);
1602 else if (y >= prev->y + prev->current->height)
1603 *fy = wl_fixed_from_int(prev->y +
1604 prev->current->height - 1);
1609 notify_motion(struct wl_seat *seat, uint32_t time, wl_fixed_t x, wl_fixed_t y)
1611 const struct wl_pointer_grab_interface *interface;
1612 struct weston_seat *ws = (struct weston_seat *) seat;
1613 struct weston_compositor *ec = ws->compositor;
1614 struct weston_output *output;
1617 weston_compositor_activity(ec);
1619 clip_pointer_motion(ws, &x, &y);
1621 weston_seat_update_drag_surface(seat,
1622 x - seat->pointer->x,
1623 y - seat->pointer->y);
1625 seat->pointer->x = x;
1626 seat->pointer->y = y;
1628 ix = wl_fixed_to_int(x);
1629 iy = wl_fixed_to_int(y);
1631 wl_list_for_each(output, &ec->output_list, link)
1632 if (output->zoom.active &&
1633 pixman_region32_contains_point(&output->region,
1635 weston_output_update_zoom(output, x, y, ZOOM_POINTER);
1637 weston_device_repick(seat);
1638 interface = seat->pointer->grab->interface;
1639 interface->motion(seat->pointer->grab, time,
1640 seat->pointer->grab->x, seat->pointer->grab->y);
1643 weston_surface_set_position(ws->sprite,
1645 iy - ws->hotspot_y);
1646 weston_compositor_schedule_repaint(ec);
1651 weston_surface_activate(struct weston_surface *surface,
1652 struct weston_seat *seat)
1654 struct weston_compositor *compositor = seat->compositor;
1656 wl_keyboard_set_focus(seat->seat.keyboard, &surface->surface);
1657 wl_data_device_set_keyboard_focus(&seat->seat);
1659 if (seat->seat.keyboard->focus_resource) {
1660 wl_keyboard_send_modifiers(seat->seat.keyboard->focus_resource,
1661 wl_display_next_serial(compositor->wl_display),
1662 seat->xkb_state.mods_depressed,
1663 seat->xkb_state.mods_latched,
1664 seat->xkb_state.mods_locked,
1665 seat->xkb_state.group);
1668 wl_signal_emit(&compositor->activate_signal, surface);
1672 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
1673 enum wl_pointer_button_state state)
1675 struct weston_seat *ws = (struct weston_seat *) seat;
1676 struct weston_compositor *compositor = ws->compositor;
1677 struct weston_surface *focus =
1678 (struct weston_surface *) seat->pointer->focus;
1679 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1681 if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
1682 if (compositor->ping_handler && focus)
1683 compositor->ping_handler(focus, serial);
1684 weston_compositor_idle_inhibit(compositor);
1685 if (seat->pointer->button_count == 0) {
1686 seat->pointer->grab_button = button;
1687 seat->pointer->grab_time = time;
1688 seat->pointer->grab_x = seat->pointer->x;
1689 seat->pointer->grab_y = seat->pointer->y;
1691 seat->pointer->button_count++;
1693 weston_compositor_idle_release(compositor);
1694 seat->pointer->button_count--;
1697 weston_compositor_run_button_binding(compositor, ws, time, button,
1700 seat->pointer->grab->interface->button(seat->pointer->grab, time,
1703 if (seat->pointer->button_count == 1)
1704 seat->pointer->grab_serial =
1705 wl_display_get_serial(compositor->wl_display);
1709 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
1712 struct weston_seat *ws = (struct weston_seat *) seat;
1713 struct weston_compositor *compositor = ws->compositor;
1714 struct weston_surface *focus =
1715 (struct weston_surface *) seat->pointer->focus;
1716 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1718 if (compositor->ping_handler && focus)
1719 compositor->ping_handler(focus, serial);
1721 weston_compositor_activity(compositor);
1724 weston_compositor_run_axis_binding(compositor, ws, time, axis,
1729 if (seat->pointer->focus_resource)
1730 wl_pointer_send_axis(seat->pointer->focus_resource, time, axis,
1735 update_modifier_state(struct weston_seat *seat, uint32_t key, uint32_t state)
1737 uint32_t mods_depressed, mods_latched, mods_locked, group;
1738 uint32_t mods_lookup;
1739 enum weston_led leds = 0;
1742 /* First update the XKB state object with the keypress. */
1743 xkb_state_update_key(seat->xkb_state.state, key + 8,
1744 state ? XKB_KEY_DOWN : XKB_KEY_UP);
1746 /* Serialize and update our internal state, checking to see if it's
1747 * different to the previous state. */
1748 mods_depressed = xkb_state_serialize_mods(seat->xkb_state.state,
1749 XKB_STATE_DEPRESSED);
1750 mods_latched = xkb_state_serialize_mods(seat->xkb_state.state,
1752 mods_locked = xkb_state_serialize_mods(seat->xkb_state.state,
1754 group = xkb_state_serialize_group(seat->xkb_state.state,
1755 XKB_STATE_EFFECTIVE);
1757 if (mods_depressed != seat->xkb_state.mods_depressed ||
1758 mods_latched != seat->xkb_state.mods_latched ||
1759 mods_locked != seat->xkb_state.mods_locked ||
1760 group != seat->xkb_state.group)
1763 seat->xkb_state.mods_depressed = mods_depressed;
1764 seat->xkb_state.mods_latched = mods_latched;
1765 seat->xkb_state.mods_locked = mods_locked;
1766 seat->xkb_state.group = group;
1768 /* And update the modifier_state for bindings. */
1769 mods_lookup = mods_depressed | mods_latched;
1770 seat->modifier_state = 0;
1771 if ((mods_lookup & seat->compositor->xkb_info.ctrl_mod))
1772 seat->modifier_state |= MODIFIER_CTRL;
1773 if ((mods_lookup & seat->compositor->xkb_info.alt_mod))
1774 seat->modifier_state |= MODIFIER_ALT;
1775 if ((mods_lookup & seat->compositor->xkb_info.super_mod))
1776 seat->modifier_state |= MODIFIER_SUPER;
1778 /* Finally, notify the compositor that LEDs have changed. */
1779 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1780 seat->compositor->xkb_info.num_led))
1781 leds |= LED_NUM_LOCK;
1782 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1783 seat->compositor->xkb_info.caps_led))
1784 leds |= LED_CAPS_LOCK;
1785 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1786 seat->compositor->xkb_info.scroll_led))
1787 leds |= LED_SCROLL_LOCK;
1788 if (leds != seat->xkb_state.leds && seat->led_update)
1789 seat->led_update(seat, seat->xkb_state.leds);
1790 seat->xkb_state.leds = leds;
1796 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
1797 enum wl_keyboard_key_state state)
1799 struct weston_seat *ws = (struct weston_seat *) seat;
1800 struct weston_compositor *compositor = ws->compositor;
1801 struct weston_surface *focus =
1802 (struct weston_surface *) seat->pointer->focus;
1803 struct wl_keyboard_grab *grab = seat->keyboard->grab;
1804 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1808 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
1809 if (compositor->ping_handler && focus)
1810 compositor->ping_handler(focus, serial);
1812 weston_compositor_idle_inhibit(compositor);
1813 seat->keyboard->grab_key = key;
1814 seat->keyboard->grab_time = time;
1816 weston_compositor_idle_release(compositor);
1819 mods = update_modifier_state(ws, key, state);
1820 end = seat->keyboard->keys.data + seat->keyboard->keys.size;
1821 for (k = seat->keyboard->keys.data; k < end; k++) {
1825 seat->keyboard->keys.size = (void *) end - seat->keyboard->keys.data;
1826 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
1827 k = wl_array_add(&seat->keyboard->keys, sizeof *k);
1831 if (grab == &seat->keyboard->default_grab)
1832 weston_compositor_run_key_binding(compositor, ws, time, key,
1835 grab->interface->key(grab, time, key, state);
1837 grab->interface->modifiers(grab,
1838 wl_display_get_serial(compositor->wl_display),
1839 ws->xkb_state.mods_depressed,
1840 ws->xkb_state.mods_latched,
1841 ws->xkb_state.mods_locked,
1842 ws->xkb_state.group);
1846 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
1847 wl_fixed_t x, wl_fixed_t y)
1849 struct weston_seat *ws = (struct weston_seat *) seat;
1850 struct weston_compositor *compositor = ws->compositor;
1853 weston_seat_update_drag_surface(seat,
1854 x - seat->pointer->x,
1855 y - seat->pointer->y);
1857 seat->pointer->x = x;
1858 seat->pointer->y = y;
1859 compositor->focus = 1;
1860 weston_compositor_repick(compositor);
1862 compositor->focus = 0;
1863 weston_compositor_repick(compositor);
1868 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1870 struct weston_seat *ws;
1872 ws = container_of(listener, struct weston_seat,
1873 saved_kbd_focus_listener);
1875 ws->saved_kbd_focus = NULL;
1879 notify_keyboard_focus(struct wl_seat *seat, struct wl_array *keys)
1881 struct weston_seat *ws = (struct weston_seat *) seat;
1882 struct weston_compositor *compositor = ws->compositor;
1883 struct wl_surface *surface;
1887 wl_array_copy(&seat->keyboard->keys, keys);
1888 ws->modifier_state = 0;
1889 wl_array_for_each(k, &seat->keyboard->keys) {
1890 weston_compositor_idle_inhibit(compositor);
1891 update_modifier_state(ws, *k, 1);
1894 surface = ws->saved_kbd_focus;
1897 wl_list_remove(&ws->saved_kbd_focus_listener.link);
1898 wl_keyboard_set_focus(ws->seat.keyboard, surface);
1900 if (seat->keyboard->focus_resource) {
1901 wl_keyboard_send_modifiers(seat->keyboard->focus_resource,
1902 wl_display_next_serial(compositor->wl_display),
1903 ws->xkb_state.mods_depressed,
1904 ws->xkb_state.mods_latched,
1905 ws->xkb_state.mods_locked,
1906 ws->xkb_state.group);
1908 ws->saved_kbd_focus = NULL;
1911 wl_array_for_each(k, &seat->keyboard->keys)
1912 weston_compositor_idle_release(compositor);
1914 ws->modifier_state = 0;
1916 surface = ws->seat.keyboard->focus;
1919 ws->saved_kbd_focus = surface;
1920 ws->saved_kbd_focus_listener.notify =
1921 destroy_device_saved_kbd_focus;
1922 wl_signal_add(&surface->resource.destroy_signal,
1923 &ws->saved_kbd_focus_listener);
1926 wl_keyboard_set_focus(ws->seat.keyboard, NULL);
1927 /* FIXME: We really need keyboard grab cancel here to
1928 * let the grab shut down properly. As it is we leak
1930 wl_keyboard_end_grab(ws->seat.keyboard);
1935 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1937 struct weston_seat *seat = container_of(listener, struct weston_seat,
1938 touch_focus_resource_listener);
1940 seat->touch_focus_resource = NULL;
1944 lose_touch_focus(struct wl_listener *listener, void *data)
1946 struct weston_seat *seat = container_of(listener, struct weston_seat,
1947 touch_focus_listener);
1949 seat->touch_focus = NULL;
1953 touch_set_focus(struct weston_seat *ws, struct wl_surface *surface)
1955 struct wl_seat *seat = &ws->seat;
1956 struct wl_resource *resource;
1958 if (ws->touch_focus == surface)
1963 find_resource_for_client(&seat->touch->resource_list,
1964 surface->resource.client);
1966 fprintf(stderr, "couldn't find resource\n");
1970 ws->touch_focus_resource_listener.notify =
1971 lose_touch_focus_resource;
1972 wl_signal_add(&resource->destroy_signal,
1973 &ws->touch_focus_resource_listener);
1974 ws->touch_focus_listener.notify = lose_touch_focus;
1975 wl_signal_add(&surface->resource.destroy_signal,
1976 &ws->touch_focus_listener);
1978 seat->touch->focus = surface;
1979 seat->touch->focus_resource = resource;
1981 if (seat->touch->focus)
1982 wl_list_remove(&ws->touch_focus_listener.link);
1983 if (seat->touch->focus_resource)
1984 wl_list_remove(&ws->touch_focus_resource_listener.link);
1985 seat->touch->focus = NULL;
1986 seat->touch->focus_resource = NULL;
1991 * notify_touch - emulates button touches and notifies surfaces accordingly.
1993 * It assumes always the correct cycle sequence until it gets here: touch_down
1994 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1995 * for sending along such order.
1999 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
2000 wl_fixed_t x, wl_fixed_t y, int touch_type)
2002 struct weston_seat *ws = (struct weston_seat *) seat;
2003 struct weston_compositor *ec = ws->compositor;
2004 struct weston_surface *es;
2006 uint32_t serial = 0;
2008 switch (touch_type) {
2010 weston_compositor_idle_inhibit(ec);
2014 /* the first finger down picks the surface, and all further go
2015 * to that surface for the remainder of the touch session i.e.
2016 * until all touch points are up again. */
2017 if (ws->num_tp == 1) {
2018 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
2019 touch_set_focus(ws, &es->surface);
2020 } else if (ws->touch_focus) {
2021 es = (struct weston_surface *) ws->touch_focus;
2022 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2025 if (ws->touch_focus_resource && ws->touch_focus)
2026 wl_touch_send_down(ws->touch_focus_resource,
2028 &ws->touch_focus->resource,
2031 case WL_TOUCH_MOTION:
2032 es = (struct weston_surface *) ws->touch_focus;
2036 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2037 if (ws->touch_focus_resource)
2038 wl_touch_send_motion(ws->touch_focus_resource,
2039 time, touch_id, sx, sy);
2042 weston_compositor_idle_release(ec);
2045 if (ws->touch_focus_resource)
2046 wl_touch_send_up(ws->touch_focus_resource,
2047 serial, time, touch_id);
2048 if (ws->num_tp == 0)
2049 touch_set_focus(ws, NULL);
2055 pointer_attach(struct wl_client *client, struct wl_resource *resource,
2056 uint32_t serial, struct wl_resource *buffer_resource,
2057 int32_t x, int32_t y)
2059 struct weston_seat *seat = resource->data;
2060 struct weston_compositor *compositor = seat->compositor;
2061 struct wl_buffer *buffer = NULL;
2063 if (serial < seat->seat.pointer->focus_serial)
2065 if (seat->seat.pointer->focus == NULL)
2067 if (seat->seat.pointer->focus->resource.client != client)
2070 if (buffer_resource)
2071 buffer = buffer_resource->data;
2073 weston_surface_attach(&seat->sprite->surface, buffer);
2074 empty_region(&seat->sprite->input);
2079 if (!weston_surface_is_mapped(seat->sprite)) {
2080 wl_list_insert(&compositor->cursor_layer.surface_list,
2081 &seat->sprite->layer_link);
2082 weston_surface_assign_output(seat->sprite);
2086 seat->hotspot_x = x;
2087 seat->hotspot_y = y;
2088 weston_surface_configure(seat->sprite,
2089 wl_fixed_to_int(seat->seat.pointer->x) - x,
2090 wl_fixed_to_int(seat->seat.pointer->y) - y,
2091 buffer->width, buffer->height);
2093 surface_damage(NULL, &seat->sprite->surface.resource,
2094 0, 0, buffer->width, buffer->height);
2097 static const struct wl_pointer_interface pointer_interface = {
2102 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2104 struct weston_seat *seat;
2106 seat = container_of(listener, struct weston_seat,
2107 drag_surface_destroy_listener);
2109 seat->drag_surface = NULL;
2112 static void unbind_resource(struct wl_resource *resource)
2114 wl_list_remove(&resource->link);
2119 seat_get_pointer(struct wl_client *client, struct wl_resource *resource,
2122 struct weston_seat *seat = resource->data;
2123 struct wl_resource *cr;
2125 if (!seat->seat.pointer)
2128 cr = wl_client_add_object(client, &wl_pointer_interface,
2129 &pointer_interface, id, seat);
2130 wl_list_insert(&seat->seat.pointer->resource_list, &cr->link);
2131 cr->destroy = unbind_resource;
2133 if (seat->seat.pointer->focus &&
2134 seat->seat.pointer->focus->resource.client == client) {
2135 struct weston_surface *surface;
2138 surface = (struct weston_surface *) seat->seat.pointer->focus;
2139 weston_surface_from_global_fixed(surface,
2140 seat->seat.pointer->x,
2141 seat->seat.pointer->y,
2144 wl_pointer_set_focus(seat->seat.pointer,
2145 seat->seat.pointer->focus,
2152 seat_get_keyboard(struct wl_client *client, struct wl_resource *resource,
2155 struct weston_seat *seat = resource->data;
2156 struct wl_resource *cr;
2158 if (!seat->seat.keyboard)
2161 cr = wl_client_add_object(client, &wl_keyboard_interface, NULL, id,
2163 wl_list_insert(&seat->seat.keyboard->resource_list, &cr->link);
2164 cr->destroy = unbind_resource;
2166 if (seat->seat.keyboard->focus &&
2167 seat->seat.keyboard->focus->resource.client == client) {
2168 wl_keyboard_set_focus(seat->seat.keyboard,
2169 seat->seat.keyboard->focus);
2174 seat_get_touch(struct wl_client *client, struct wl_resource *resource,
2177 struct weston_seat *seat = resource->data;
2178 struct wl_resource *cr;
2180 if (!seat->seat.touch)
2183 cr = wl_client_add_object(client, &wl_touch_interface, NULL, id, seat);
2184 wl_list_insert(&seat->seat.touch->resource_list, &cr->link);
2185 cr->destroy = unbind_resource;
2188 static const struct wl_seat_interface seat_interface = {
2195 bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
2197 struct wl_seat *seat = data;
2198 struct wl_resource *resource;
2199 enum wl_seat_capability caps = 0;
2201 resource = wl_client_add_object(client, &wl_seat_interface,
2202 &seat_interface, id, data);
2203 wl_list_insert(&seat->base_resource_list, &resource->link);
2204 resource->destroy = unbind_resource;
2207 caps |= WL_SEAT_CAPABILITY_POINTER;
2209 caps |= WL_SEAT_CAPABILITY_KEYBOARD;
2211 caps |= WL_SEAT_CAPABILITY_TOUCH;
2213 wl_seat_send_capabilities(resource, caps);
2217 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2219 struct weston_seat *seat;
2221 seat = container_of(listener, struct weston_seat,
2222 new_drag_icon_listener);
2224 weston_seat_update_drag_surface(&seat->seat, 0, 0);
2227 static int weston_compositor_xkb_init(struct weston_compositor *ec,
2228 struct xkb_rule_names *names)
2230 ec->xkb_info.context = xkb_context_new(0);
2231 if (ec->xkb_info.context == NULL) {
2232 fprintf(stderr, "failed to create XKB context\n");
2237 ec->xkb_info.names = *names;
2238 if (!ec->xkb_info.names.rules)
2239 ec->xkb_info.names.rules = strdup("evdev");
2240 if (!ec->xkb_info.names.model)
2241 ec->xkb_info.names.model = strdup("pc105");
2242 if (!ec->xkb_info.names.layout)
2243 ec->xkb_info.names.layout = strdup("us");
2248 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2250 free((char *) ec->xkb_info.names.rules);
2251 free((char *) ec->xkb_info.names.model);
2252 free((char *) ec->xkb_info.names.layout);
2253 free((char *) ec->xkb_info.names.variant);
2254 free((char *) ec->xkb_info.names.options);
2256 if (ec->xkb_info.keymap)
2257 xkb_map_unref(ec->xkb_info.keymap);
2258 xkb_context_unref(ec->xkb_info.context);
2262 weston_compositor_build_global_keymap(struct weston_compositor *ec)
2264 if (ec->xkb_info.keymap != NULL)
2267 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_info.context,
2268 &ec->xkb_info.names, 0);
2269 if (ec->xkb_info.keymap == NULL) {
2270 fprintf(stderr, "failed to compile XKB keymap\n");
2274 ec->xkb_info.ctrl_mod = xkb_map_mod_get_index(ec->xkb_info.keymap,
2276 ec->xkb_info.alt_mod = xkb_map_mod_get_index(ec->xkb_info.keymap,
2278 ec->xkb_info.super_mod = xkb_map_mod_get_index(ec->xkb_info.keymap,
2281 ec->xkb_info.num_led = xkb_map_led_get_index(ec->xkb_info.keymap,
2283 ec->xkb_info.caps_led = xkb_map_led_get_index(ec->xkb_info.keymap,
2285 ec->xkb_info.scroll_led = xkb_map_led_get_index(ec->xkb_info.keymap,
2286 XKB_LED_NAME_SCROLL);
2292 weston_seat_init_keyboard(struct weston_seat *seat)
2294 if (seat->has_keyboard)
2297 if (weston_compositor_build_global_keymap(seat->compositor) == -1)
2300 wl_keyboard_init(&seat->keyboard);
2301 wl_seat_set_keyboard(&seat->seat, &seat->keyboard);
2303 seat->has_keyboard = 1;
2307 weston_seat_init_pointer(struct weston_seat *seat)
2309 if (seat->has_pointer)
2312 wl_pointer_init(&seat->pointer);
2313 wl_seat_set_pointer(&seat->seat, &seat->pointer);
2315 seat->has_pointer = 1;
2319 weston_seat_init_touch(struct weston_seat *seat)
2321 if (seat->has_touch)
2324 wl_touch_init(&seat->touch);
2325 wl_seat_set_touch(&seat->seat, &seat->touch);
2327 seat->has_touch = 1;
2331 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec)
2333 wl_seat_init(&seat->seat);
2334 seat->has_pointer = 0;
2335 seat->has_keyboard = 0;
2336 seat->has_touch = 0;
2338 wl_display_add_global(ec->wl_display, &wl_seat_interface, seat,
2341 seat->sprite = weston_surface_create(ec);
2342 seat->sprite->surface.resource.data = seat->sprite;
2344 seat->compositor = ec;
2345 seat->hotspot_x = 16;
2346 seat->hotspot_y = 16;
2347 seat->modifier_state = 0;
2350 seat->drag_surface_destroy_listener.notify =
2351 handle_drag_surface_destroy;
2353 wl_list_insert(ec->seat_list.prev, &seat->link);
2355 seat->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2356 wl_signal_add(&seat->seat.drag_icon_signal,
2357 &seat->new_drag_icon_listener);
2359 if (!ec->xkb_info.context)
2360 weston_compositor_xkb_init(ec, NULL);
2362 seat->xkb_state.mods_depressed = 0;
2363 seat->xkb_state.mods_latched = 0;
2364 seat->xkb_state.mods_locked = 0;
2365 seat->xkb_state.group = 0;
2367 seat->xkb_state.state = xkb_state_new(ec->xkb_info.keymap);
2368 if (seat->xkb_state.state == NULL) {
2369 fprintf(stderr, "failed to initialise XKB state\n");
2375 weston_seat_release(struct weston_seat *seat)
2377 wl_list_remove(&seat->link);
2378 /* The global object is destroyed at wl_display_destroy() time. */
2381 destroy_surface(&seat->sprite->surface.resource);
2383 if (seat->xkb_state.state != NULL)
2384 xkb_state_unref(seat->xkb_state.state);
2386 wl_seat_release(&seat->seat);
2390 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2392 weston_surface_configure(es,
2393 es->geometry.x + sx, es->geometry.y + sy,
2394 es->buffer->width, es->buffer->height);
2398 device_setup_new_drag_surface(struct weston_seat *ws,
2399 struct weston_surface *surface)
2401 struct wl_seat *seat = &ws->seat;
2403 if (surface->configure) {
2404 wl_resource_post_error(&surface->surface.resource,
2405 WL_DISPLAY_ERROR_INVALID_OBJECT,
2406 "surface->configure already set");
2410 ws->drag_surface = surface;
2412 weston_surface_set_position(ws->drag_surface,
2413 wl_fixed_to_double(seat->pointer->x),
2414 wl_fixed_to_double(seat->pointer->y));
2416 surface->configure = drag_surface_configure;
2418 wl_signal_add(&surface->surface.resource.destroy_signal,
2419 &ws->drag_surface_destroy_listener);
2425 device_release_drag_surface(struct weston_seat *seat)
2427 seat->drag_surface->configure = NULL;
2428 undef_region(&seat->drag_surface->input);
2429 wl_list_remove(&seat->drag_surface_destroy_listener.link);
2430 seat->drag_surface = NULL;
2434 device_map_drag_surface(struct weston_seat *seat)
2436 if (weston_surface_is_mapped(seat->drag_surface) ||
2437 !seat->drag_surface->buffer)
2440 wl_list_insert(&seat->sprite->layer_link,
2441 &seat->drag_surface->layer_link);
2442 weston_surface_assign_output(seat->drag_surface);
2443 empty_region(&seat->drag_surface->input);
2447 weston_seat_update_drag_surface(struct wl_seat *seat,
2450 int surface_changed = 0;
2451 struct weston_seat *ws = (struct weston_seat *) seat;
2453 if (!ws->drag_surface && !seat->drag_surface)
2456 if (ws->drag_surface && seat->drag_surface &&
2457 (&ws->drag_surface->surface.resource !=
2458 &seat->drag_surface->resource))
2459 /* between calls to this funcion we got a new drag_surface */
2460 surface_changed = 1;
2462 if (!seat->drag_surface || surface_changed) {
2463 device_release_drag_surface(ws);
2464 if (!surface_changed)
2468 if (!ws->drag_surface || surface_changed) {
2469 struct weston_surface *surface = (struct weston_surface *)
2471 if (!device_setup_new_drag_surface(ws, surface))
2475 /* the client may not have attached a buffer to the drag surface
2476 * when we setup it up, so check if map is needed on every update */
2477 device_map_drag_surface(ws);
2479 /* the client may have attached a buffer with a different size to
2480 * the drag surface, causing the input region to be reset */
2481 if (region_is_undefined(&ws->drag_surface->input))
2482 empty_region(&ws->drag_surface->input);
2487 weston_surface_set_position(ws->drag_surface,
2488 ws->drag_surface->geometry.x + wl_fixed_to_double(dx),
2489 ws->drag_surface->geometry.y + wl_fixed_to_double(dy));
2493 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2495 struct weston_seat *seat;
2497 wl_list_for_each(seat, &compositor->seat_list, link)
2498 weston_seat_update_drag_surface(&seat->seat, 0, 0);
2502 bind_output(struct wl_client *client,
2503 void *data, uint32_t version, uint32_t id)
2505 struct weston_output *output = data;
2506 struct weston_mode *mode;
2507 struct wl_resource *resource;
2509 resource = wl_client_add_object(client,
2510 &wl_output_interface, NULL, id, data);
2512 wl_list_insert(&output->resource_list, &resource->link);
2513 resource->destroy = unbind_resource;
2515 wl_output_send_geometry(resource,
2521 output->make, output->model);
2523 wl_list_for_each (mode, &output->mode_list, link) {
2524 wl_output_send_mode(resource,
2532 static const char vertex_shader[] =
2533 "uniform mat4 proj;\n"
2534 "attribute vec2 position;\n"
2535 "attribute vec2 texcoord;\n"
2536 "varying vec2 v_texcoord;\n"
2539 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2540 " v_texcoord = texcoord;\n"
2543 static const char texture_fragment_shader[] =
2544 "precision mediump float;\n"
2545 "varying vec2 v_texcoord;\n"
2546 "uniform sampler2D tex;\n"
2547 "uniform float alpha;\n"
2548 "uniform float bright;\n"
2549 "uniform float saturation;\n"
2550 "uniform float texwidth;\n"
2551 "uniform vec4 opaque;\n"
2554 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2555 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2557 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2558 " float gray = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
2559 " vec3 range = (gl_FragColor.rgb - vec3 (gray, gray, gray)) * saturation;\n"
2560 " gl_FragColor = vec4(vec3(gray + range), gl_FragColor.a);\n"
2561 " gl_FragColor = vec4(vec3(bright, bright, bright) * gl_FragColor.rgb, gl_FragColor.a);\n"
2562 " if (opaque.x <= v_texcoord.x && v_texcoord.x < opaque.y &&\n"
2563 " opaque.z <= v_texcoord.y && v_texcoord.y < opaque.w)\n"
2564 " gl_FragColor.a = 1.0;\n"
2565 " gl_FragColor = alpha * gl_FragColor;\n"
2568 static const char solid_fragment_shader[] =
2569 "precision mediump float;\n"
2570 "uniform vec4 color;\n"
2571 "uniform float alpha;\n"
2574 " gl_FragColor = alpha * color\n;"
2578 compile_shader(GLenum type, const char *source)
2584 s = glCreateShader(type);
2585 glShaderSource(s, 1, &source, NULL);
2587 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2589 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2590 fprintf(stderr, "shader info: %s\n", msg);
2598 weston_shader_init(struct weston_shader *shader,
2599 const char *vertex_source, const char *fragment_source)
2604 shader->vertex_shader =
2605 compile_shader(GL_VERTEX_SHADER, vertex_source);
2606 shader->fragment_shader =
2607 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2609 shader->program = glCreateProgram();
2610 glAttachShader(shader->program, shader->vertex_shader);
2611 glAttachShader(shader->program, shader->fragment_shader);
2612 glBindAttribLocation(shader->program, 0, "position");
2613 glBindAttribLocation(shader->program, 1, "texcoord");
2615 glLinkProgram(shader->program);
2616 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2618 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2619 fprintf(stderr, "link info: %s\n", msg);
2623 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2624 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2625 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2626 shader->brightness_uniform = glGetUniformLocation(shader->program, "bright");
2627 shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation");
2628 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2629 shader->texwidth_uniform = glGetUniformLocation(shader->program, "texwidth");
2630 shader->opaque_uniform = glGetUniformLocation(shader->program, "opaque");
2636 weston_output_destroy(struct weston_output *output)
2638 struct weston_compositor *c = output->compositor;
2640 pixman_region32_fini(&output->region);
2641 pixman_region32_fini(&output->previous_damage);
2642 output->compositor->output_id_pool &= ~(1 << output->id);
2644 wl_display_remove_global(c->wl_display, output->global);
2648 weston_text_cursor_position_notify(struct weston_surface *surface,
2652 struct weston_output *output;
2653 int32_t global_x, global_y;
2655 weston_surface_to_global(surface, cur_pos_x, cur_pos_y,
2656 &global_x, &global_y);
2658 wl_list_for_each(output, &surface->compositor->output_list, link)
2659 if (output->zoom.active &&
2660 pixman_region32_contains_point(&output->region,
2661 global_x, global_y, NULL))
2662 weston_output_update_zoom(output,
2663 wl_fixed_from_int(global_x),
2664 wl_fixed_from_int(global_y),
2669 weston_output_update_zoom(struct weston_output *output,
2675 float trans_min, trans_max;
2677 if (output->zoom.level >= 1.0)
2680 x = wl_fixed_to_int(fx);
2681 y = wl_fixed_to_int(fy);
2683 output->zoom.trans_x =
2684 (((float)(x - output->x) / output->current->width) *
2685 (output->zoom.level * 2)) - output->zoom.level;
2686 output->zoom.trans_y =
2687 (((float)(y - output->y) / output->current->height) *
2688 (output->zoom.level * 2)) - output->zoom.level;
2690 if (type == ZOOM_TEXT_CURSOR) {
2691 output->zoom.trans_x *= 1 / output->zoom.level;
2692 output->zoom.trans_y *= 1 / output->zoom.level;
2694 trans_max = output->zoom.level * 2 - output->zoom.level;
2695 trans_min = -trans_max;
2697 if (output->zoom.trans_x > trans_max)
2698 output->zoom.trans_x = trans_max;
2699 else if (output->zoom.trans_x < trans_min)
2700 output->zoom.trans_x = trans_min;
2701 if (output->zoom.trans_y > trans_max)
2702 output->zoom.trans_y = trans_max;
2703 else if (output->zoom.trans_y < trans_min)
2704 output->zoom.trans_y = trans_min;
2708 weston_output_damage(output);
2712 weston_output_update_matrix(struct weston_output *output)
2715 float magnification;
2716 struct weston_matrix camera;
2717 struct weston_matrix modelview;
2719 weston_matrix_init(&output->matrix);
2720 weston_matrix_translate(&output->matrix,
2721 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2722 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2724 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2725 weston_matrix_scale(&output->matrix,
2726 2.0 / (output->current->width + output->border.left + output->border.right),
2727 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2729 if (output->zoom.active) {
2730 magnification = 1 / (1 - output->zoom.level);
2731 weston_matrix_init(&camera);
2732 weston_matrix_init(&modelview);
2733 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2734 weston_matrix_invert(&modelview, &camera);
2735 weston_matrix_scale(&modelview, magnification, magnification, 1.0);
2736 weston_matrix_multiply(&output->matrix, &modelview);
2743 weston_output_move(struct weston_output *output, int x, int y)
2748 pixman_region32_init(&output->previous_damage);
2749 pixman_region32_init_rect(&output->region, x, y,
2750 output->current->width,
2751 output->current->height);
2755 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2756 int x, int y, int width, int height, uint32_t flags)
2758 output->compositor = c;
2761 output->border.top = 0;
2762 output->border.bottom = 0;
2763 output->border.left = 0;
2764 output->border.right = 0;
2765 output->mm_width = width;
2766 output->mm_height = height;
2768 wl_list_init(&output->read_pixels_list);
2770 output->zoom.active = 0;
2771 output->zoom.increment = 0.05;
2772 output->zoom.level = 0.0;
2773 output->zoom.trans_x = 0.0;
2774 output->zoom.trans_y = 0.0;
2776 output->flags = flags;
2777 weston_output_move(output, x, y);
2778 weston_output_damage(output);
2780 wl_signal_init(&output->frame_signal);
2781 wl_list_init(&output->frame_callback_list);
2782 wl_list_init(&output->resource_list);
2784 output->id = ffs(~output->compositor->output_id_pool) - 1;
2785 output->compositor->output_id_pool |= 1 << output->id;
2788 wl_display_add_global(c->wl_display, &wl_output_interface,
2789 output, bind_output);
2793 weston_output_do_read_pixels(struct weston_output *output)
2795 struct weston_read_pixels *r, *next;
2797 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2798 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2799 glReadPixels(r->x, r->y, r->width, r->height,
2800 output->compositor->read_format,
2801 GL_UNSIGNED_BYTE, r->data);
2807 compositor_bind(struct wl_client *client,
2808 void *data, uint32_t version, uint32_t id)
2810 struct weston_compositor *compositor = data;
2812 wl_client_add_object(client, &wl_compositor_interface,
2813 &compositor_interface, id, compositor);
2817 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2819 struct wl_event_loop *loop;
2820 const char *extensions;
2822 ec->wl_display = display;
2823 wl_signal_init(&ec->destroy_signal);
2824 wl_signal_init(&ec->activate_signal);
2825 wl_signal_init(&ec->lock_signal);
2826 wl_signal_init(&ec->unlock_signal);
2827 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2829 ec->output_id_pool = 0;
2831 if (!wl_display_add_global(display, &wl_compositor_interface,
2832 ec, compositor_bind))
2835 wl_display_init_shm(display);
2837 ec->image_target_texture_2d =
2838 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2839 ec->image_target_renderbuffer_storage = (void *)
2840 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2841 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2842 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2844 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2845 ec->unbind_display =
2846 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2848 extensions = (const char *) glGetString(GL_EXTENSIONS);
2850 fprintf(stderr, "Retrieving GL extension string failed.\n");
2854 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2856 "GL_EXT_texture_format_BGRA8888 not available\n");
2860 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2861 ec->read_format = GL_BGRA_EXT;
2863 ec->read_format = GL_RGBA;
2865 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2866 ec->has_unpack_subimage = 1;
2869 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2871 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2875 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2876 ec->has_bind_display = 1;
2877 if (ec->has_bind_display)
2878 ec->bind_display(ec->display, ec->wl_display);
2880 wl_list_init(&ec->surface_list);
2881 wl_list_init(&ec->layer_list);
2882 wl_list_init(&ec->seat_list);
2883 wl_list_init(&ec->output_list);
2884 wl_list_init(&ec->key_binding_list);
2885 wl_list_init(&ec->button_binding_list);
2886 wl_list_init(&ec->axis_binding_list);
2887 wl_list_init(&ec->animation_list);
2888 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2889 ec->fade.animation.frame = fade_frame;
2890 wl_list_init(&ec->fade.animation.link);
2892 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2893 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2895 screenshooter_create(ec);
2896 text_cursor_position_notifier_create(ec);
2898 ec->ping_handler = NULL;
2900 wl_data_device_manager_init(ec->wl_display);
2902 glActiveTexture(GL_TEXTURE0);
2904 if (weston_shader_init(&ec->texture_shader,
2905 vertex_shader, texture_fragment_shader) < 0)
2907 if (weston_shader_init(&ec->solid_shader,
2908 vertex_shader, solid_fragment_shader) < 0)
2911 loop = wl_display_get_event_loop(ec->wl_display);
2912 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2913 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2915 ec->input_loop = wl_event_loop_create();
2917 weston_compositor_schedule_repaint(ec);
2923 weston_compositor_shutdown(struct weston_compositor *ec)
2925 struct weston_output *output, *next;
2927 wl_event_source_remove(ec->idle_source);
2928 if (ec->input_loop_source)
2929 wl_event_source_remove(ec->input_loop_source);
2931 /* Destroy all outputs associated with this compositor */
2932 wl_list_for_each_safe(output, next, &ec->output_list, link)
2933 output->destroy(output);
2935 weston_binding_list_destroy_all(&ec->key_binding_list);
2936 weston_binding_list_destroy_all(&ec->button_binding_list);
2937 weston_binding_list_destroy_all(&ec->axis_binding_list);
2939 wl_array_release(&ec->vertices);
2940 wl_array_release(&ec->indices);
2942 wl_event_loop_destroy(ec->input_loop);
2945 static int on_term_signal(int signal_number, void *data)
2947 struct wl_display *display = data;
2949 fprintf(stderr, "caught signal %d\n", signal_number);
2950 wl_display_terminate(display);
2956 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2962 fprintf(stderr, "caught segv\n");
2964 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2965 for (i = 0; i < count; i++) {
2966 dladdr(buffer[i], &info);
2967 fprintf(stderr, " [%016lx] %s (%s)\n",
2969 info.dli_sname ? info.dli_sname : "--",
2973 longjmp(segv_jmp_buf, 1);
2978 load_module(const char *name, const char *entrypoint, void **handle)
2980 char path[PATH_MAX];
2981 void *module, *init;
2984 snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
2986 snprintf(path, sizeof path, "%s", name);
2988 module = dlopen(path, RTLD_LAZY);
2991 "failed to load module '%s': %s\n", path, dlerror());
2995 init = dlsym(module, entrypoint);
2998 "failed to lookup init function in '%s': %s\n",
3006 int main(int argc, char *argv[])
3008 struct wl_display *display;
3009 struct weston_compositor *ec;
3010 struct wl_event_source *signals[4];
3011 struct wl_event_loop *loop;
3012 struct sigaction segv_action;
3013 void *shell_module, *backend_module, *xserver_module;
3014 int (*module_init)(struct weston_compositor *ec);
3015 struct weston_compositor
3016 *(*backend_init)(struct wl_display *display,
3017 int argc, char *argv[]);
3019 char *backend = NULL;
3021 char *module = NULL;
3022 int32_t idle_time = 300;
3023 int32_t xserver = 0;
3024 char *socket_name = NULL;
3026 struct xkb_rule_names xkb_names;
3028 const struct config_key shell_config_keys[] = {
3029 { "type", CONFIG_KEY_STRING, &shell },
3032 const struct config_key keyboard_config_keys[] = {
3033 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
3034 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
3035 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
3036 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
3037 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
3040 const struct config_section cs[] = {
3042 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
3044 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
3047 const struct weston_option core_options[] = {
3048 { WESTON_OPTION_STRING, "backend", 'B', &backend },
3049 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
3050 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
3051 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
3052 { WESTON_OPTION_STRING, "module", 0, &module },
3055 memset(&xkb_names, 0, sizeof(xkb_names));
3057 argc = parse_options(core_options,
3058 ARRAY_LENGTH(core_options), argc, argv);
3060 display = wl_display_create();
3062 loop = wl_display_get_event_loop(display);
3063 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
3065 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
3067 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
3070 wl_list_init(&child_process_list);
3071 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
3074 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
3075 segv_action.sa_sigaction = on_segv_signal;
3076 sigemptyset(&segv_action.sa_mask);
3077 sigaction(SIGSEGV, &segv_action, NULL);
3080 if (getenv("WAYLAND_DISPLAY"))
3081 backend = "wayland-backend.so";
3082 else if (getenv("DISPLAY"))
3083 backend = "x11-backend.so";
3084 else if (getenv("OPENWFD"))
3085 backend = "openwfd-backend.so";
3087 backend = "drm-backend.so";
3090 config_file = config_file_path("weston.ini");
3091 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
3094 backend_init = load_module(backend, "backend_init", &backend_module);
3098 ec = backend_init(display, argc, argv);
3100 fprintf(stderr, "failed to create compositor\n");
3104 for (i = 1; argv[i]; i++)
3105 fprintf(stderr, "unhandled option: %s\n", argv[i]);
3109 if (weston_compositor_xkb_init(ec, &xkb_names) == -1) {
3110 fprintf(stderr, "failed to initialise keyboard support\n");
3114 ec->option_idle_time = idle_time;
3115 ec->idle_time = idle_time;
3119 module_init = load_module("xwayland.so",
3120 "weston_xserver_init",
3122 if (module_init && module_init(ec) < 0)
3126 shell = "desktop-shell.so";
3127 module_init = load_module(shell, "shell_init", &shell_module);
3128 if (!module_init || module_init(ec) < 0)
3134 module_init = load_module(module, "module_init", NULL);
3135 if (module_init && module_init(ec) < 0)
3138 if (wl_display_add_socket(display, socket_name)) {
3139 fprintf(stderr, "failed to add socket: %m\n");
3143 weston_compositor_dpms_on(ec);
3144 weston_compositor_wake(ec);
3145 if (setjmp(segv_jmp_buf) == 0)
3146 wl_display_run(display);
3148 /* prevent further rendering while shutting down */
3149 ec->state = WESTON_COMPOSITOR_SLEEPING;
3151 wl_signal_emit(&ec->destroy_signal, ec);
3153 if (ec->has_bind_display)
3154 ec->unbind_display(ec->display, display);
3156 for (i = ARRAY_LENGTH(signals); i;)
3157 wl_event_source_remove(signals[--i]);
3159 weston_compositor_xkb_destroy(ec);
3162 wl_display_destroy(display);